Bump idna from 3.7 to 3.8 in /requirements (#22598)

Bumps [idna](https://github.com/kjd/idna) from 3.7 to 3.8.
- [Release notes](https://github.com/kjd/idna/releases)
- [Changelog](https://github.com/kjd/idna/blob/master/HISTORY.rst)
- [Commits](https://github.com/kjd/idna/compare/v3.7...v3.8)

---
updated-dependencies:
- dependency-name: idna
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

requirements/prod.txt

@@ -89,9 +89,9 @@ cryptography==43.0.0 \
     --hash=sha256:ee0c405832ade84d4de74b9029bedb7b31200600fa524d218fc29bfa371e97f5 \
     --hash=sha256:fdcb265de28585de5b859ae13e3846a8e805268a823a12a4da2597f1f5afc9f0
 # idna is required by cryptography
-idna==3.7 \
-    --hash=sha256:028ff3aadf0609c1fd278d8ea3089299412a7a8b9bd005dd08b9f8285bcb5cfc \
-    --hash=sha256:82fee1fc78add43492d3a1898bfa6d8a904cc97d8427f683ed8e798d07761aa0
+idna==3.8 \
+    --hash=sha256:050b4e5baadcd44d760cedbd2b8e639f2ff89bbc7a5730fcc662954303377aac \
+    --hash=sha256:d838c2c0ed6fced7693d5e8ab8e734d5f8fda53a039c0164afb0b82e771e3603
 # packaging is required by setuptools
 packaging==24.1 \
     --hash=sha256:026ed72c8ed3fcce5bf8950572258698927fd1dbda10a5e981cdf0ac37f4f002 \